OpenTechnical

OT-2026-000027329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000027329) never changes.

Identity and time

Publication numberOT-2026-000027329 · never reused
Internal UUID01a0ae72-6997-7ed6-8bc3-5a36fc26842f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027329
StatusPUBLIC

Content hashes

Canonical text2da57b4126476569c1a81247059e7f7da153b7fac23a3f95428d581f588a054c
Markdowne6dd09c37df1edad3c10658791b088e4868ab603a63253c3845f3c8d98b88868
PDF
Publication page65a23d73ca1d0a21062c5b580e3b189ca7fac52cb2bbfc89a5af7ebec1079371
Manifest43231f0080787e0f94216fe26af487087d820682485bc7fedac51a1b2c65c1ad

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNg+oskXZyPxYLc8ahqm+K+57ZYElvT7TVsIKNSzBEvhUvHymNSmcIPxa/EWfiJXgqMmwnWSNwrjhQHDGtOlrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:43.672084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027329
observed 65a23d73ca1d0a21062c5b580e3b189c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:43.651659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027329/manifest.json
observed 43231f0080787e0f94216fe26af48708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:43.633785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027329/publication.md
observed e6dd09c37df1edad3c10658791b088e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:43.614851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027329/publication.txt
observed 2da57b4126476569c1a81247059e7f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.